/*
 * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef HEADER_ERR_H
#define HEADER_ERR_H

#include <openssl/e_os2.h>

#ifndef OPENSSL_NO_STDIO
#    include <stdio.h>
#    include <stdlib.h>
#endif

#include <openssl/bio.h>
#include <openssl/lhash.h>
#include <openssl/ossl_typ.h>

#ifdef __cplusplus
extern "C" {
#endif

#ifndef OPENSSL_NO_ERR
#    define ERR_PUT_error(a, b, c, d, e) ERR_put_error(a, b, c, d, e)
#else
#    define ERR_PUT_error(a, b, c, d, e) ERR_put_error(a, b, c, NULL, 0)
#endif

#include <errno.h>

#define ERR_TXT_MALLOCED 0x01
#define ERR_TXT_STRING 0x02

#define ERR_FLAG_MARK 0x01
#define ERR_FLAG_CLEAR 0x02

#define ERR_NUM_ERRORS 16
typedef struct err_state_st {
    int err_flags[ERR_NUM_ERRORS];
    unsigned long err_buffer[ERR_NUM_ERRORS];
    char *err_data[ERR_NUM_ERRORS];
    int err_data_flags[ERR_NUM_ERRORS];
    const char *err_file[ERR_NUM_ERRORS];
    int err_line[ERR_NUM_ERRORS];
    int top, bottom;
} ERR_STATE;

/* library */
#define ERR_LIB_NONE 1
#define ERR_LIB_SYS 2
#define ERR_LIB_BN 3
#define ERR_LIB_RSA 4
#define ERR_LIB_DH 5
#define ERR_LIB_EVP 6
#define ERR_LIB_BUF 7
#define ERR_LIB_OBJ 8
#define ERR_LIB_PEM 9
#define ERR_LIB_DSA 10
#define ERR_LIB_X509 11
/* #define ERR_LIB_METH         12 */
#define ERR_LIB_ASN1 13
#define ERR_LIB_CONF 14
#define ERR_LIB_CRYPTO 15
#define ERR_LIB_EC 16
#define ERR_LIB_SSL 20
/* #define ERR_LIB_SSL23        21 */
/* #define ERR_LIB_SSL2         22 */
/* #define ERR_LIB_SSL3         23 */
/* #define ERR_LIB_RSAREF       30 */
/* #define ERR_LIB_PROXY        31 */
#define ERR_LIB_BIO 32
#define ERR_LIB_PKCS7 33
#define ERR_LIB_X509V3 34
#define ERR_LIB_PKCS12 35
#define ERR_LIB_RAND 36
#define ERR_LIB_DSO 37
#define ERR_LIB_ENGINE 38
#define ERR_LIB_OCSP 39
#define ERR_LIB_UI 40
#define ERR_LIB_COMP 41
#define ERR_LIB_ECDSA 42
#define ERR_LIB_ECDH 43
#define ERR_LIB_OSSL_STORE 44
#define ERR_LIB_FIPS 45
#define ERR_LIB_CMS 46
#define ERR_LIB_TS 47
#define ERR_LIB_HMAC 48
/* # define ERR_LIB_JPAKE       49 */
#define ERR_LIB_CT 50
#define ERR_LIB_ASYNC 51
#define ERR_LIB_KDF 52
#define ERR_LIB_SM2 53

#define ERR_LIB_USER 128

#define SYSerr(f, r) ERR_PUT_error(ERR_LIB_SYS, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define BNerr(f, r) ERR_PUT_error(ERR_LIB_BN, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define RSAerr(f, r) ERR_PUT_error(ERR_LIB_RSA, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define DHerr(f, r) ERR_PUT_error(ERR_LIB_DH, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define EVPerr(f, r) ERR_PUT_error(ERR_LIB_EVP, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define BUFerr(f, r) ERR_PUT_error(ERR_LIB_BUF, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define OBJerr(f, r) ERR_PUT_error(ERR_LIB_OBJ, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define PEMerr(f, r) ERR_PUT_error(ERR_LIB_PEM, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define DSAerr(f, r) ERR_PUT_error(ERR_LIB_DSA, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define X509err(f, r) ERR_PUT_error(ERR_LIB_X509, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define ASN1err(f, r) ERR_PUT_error(ERR_LIB_ASN1, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define CONFerr(f, r) ERR_PUT_error(ERR_LIB_CONF, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define CRYPTOerr(f, r) ERR_PUT_error(ERR_LIB_CRYPTO, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define ECerr(f, r) ERR_PUT_error(ERR_LIB_EC, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define SSLerr(f, r) ERR_PUT_error(ERR_LIB_SSL, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define BIOerr(f, r) ERR_PUT_error(ERR_LIB_BIO, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define PKCS7err(f, r) ERR_PUT_error(ERR_LIB_PKCS7, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define X509V3err(f, r) ERR_PUT_error(ERR_LIB_X509V3, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define PKCS12err(f, r) ERR_PUT_error(ERR_LIB_PKCS12, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define RANDerr(f, r) ERR_PUT_error(ERR_LIB_RAND, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define DSOerr(f, r) ERR_PUT_error(ERR_LIB_DSO, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define ENGINEerr(f, r) ERR_PUT_error(ERR_LIB_ENGINE, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define OCSPerr(f, r) ERR_PUT_error(ERR_LIB_OCSP, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define UIerr(f, r) ERR_PUT_error(ERR_LIB_UI, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define COMPerr(f, r) ERR_PUT_error(ERR_LIB_COMP, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define ECDSAerr(f, r) ERR_PUT_error(ERR_LIB_ECDSA, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define ECDHerr(f, r) ERR_PUT_error(ERR_LIB_ECDH, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define OSSL_STOREerr(f, r) ERR_PUT_error(ERR_LIB_OSSL_STORE, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define FIPSerr(f, r) ERR_PUT_error(ERR_LIB_FIPS, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define CMSerr(f, r) ERR_PUT_error(ERR_LIB_CMS, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define TSerr(f, r) ERR_PUT_error(ERR_LIB_TS, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define HMACerr(f, r) ERR_PUT_error(ERR_LIB_HMAC, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define CTerr(f, r) ERR_PUT_error(ERR_LIB_CT, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define ASYNCerr(f, r) ERR_PUT_error(ERR_LIB_ASYNC, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define KDFerr(f, r) ERR_PUT_error(ERR_LIB_KDF, (f), (r), OPENSSL_FILE, OPENSSL_LINE)
#define SM2err(f, r) ERR_PUT_error(ERR_LIB_SM2, (f), (r), OPENSSL_FILE, OPENSSL_LINE)

#define ERR_PACK(l, f, r)                                                      \
    ((((unsigned int)(l)&0x0FF) << 24L) | (((unsigned int)(f)&0xFFF) << 12L) | \
     (((unsigned int)(r)&0xFFF)))
#define ERR_GET_LIB(l) (int)(((l) >> 24L) & 0x0FFL)
#define ERR_GET_FUNC(l) (int)(((l) >> 12L) & 0xFFFL)
#define ERR_GET_REASON(l) (int)((l)&0xFFFL)
#define ERR_FATAL_ERROR(l) (int)((l)&ERR_R_FATAL)

/* OS functions */
#define SYS_F_FOPEN 1
#define SYS_F_CONNECT 2
#define SYS_F_GETSERVBYNAME 3
#define SYS_F_SOCKET 4
#define SYS_F_IOCTLSOCKET 5
#define SYS_F_BIND 6
#define SYS_F_LISTEN 7
#define SYS_F_ACCEPT 8
#define SYS_F_WSASTARTUP 9 /* Winsock stuff */
#define SYS_F_OPENDIR 10
#define SYS_F_FREAD 11
#define SYS_F_GETADDRINFO 12
#define SYS_F_GETNAMEINFO 13
#define SYS_F_SETSOCKOPT 14
#define SYS_F_GETSOCKOPT 15
#define SYS_F_GETSOCKNAME 16
#define SYS_F_GETHOSTBYNAME 17
#define SYS_F_FFLUSH 18
#define SYS_F_OPEN 19
#define SYS_F_CLOSE 20
#define SYS_F_IOCTL 21
#define SYS_F_STAT 22
#define SYS_F_FCNTL 23
#define SYS_F_FSTAT 24

/* reasons */
#define ERR_R_SYS_LIB ERR_LIB_SYS               /* 2 */
#define ERR_R_BN_LIB ERR_LIB_BN                 /* 3 */
#define ERR_R_RSA_LIB ERR_LIB_RSA               /* 4 */
#define ERR_R_DH_LIB ERR_LIB_DH                 /* 5 */
#define ERR_R_EVP_LIB ERR_LIB_EVP               /* 6 */
#define ERR_R_BUF_LIB ERR_LIB_BUF               /* 7 */
#define ERR_R_OBJ_LIB ERR_LIB_OBJ               /* 8 */
#define ERR_R_PEM_LIB ERR_LIB_PEM               /* 9 */
#define ERR_R_DSA_LIB ERR_LIB_DSA               /* 10 */
#define ERR_R_X509_LIB ERR_LIB_X509             /* 11 */
#define ERR_R_ASN1_LIB ERR_LIB_ASN1             /* 13 */
#define ERR_R_EC_LIB ERR_LIB_EC                 /* 16 */
#define ERR_R_BIO_LIB ERR_LIB_BIO               /* 32 */
#define ERR_R_PKCS7_LIB ERR_LIB_PKCS7           /* 33 */
#define ERR_R_X509V3_LIB ERR_LIB_X509V3         /* 34 */
#define ERR_R_ENGINE_LIB ERR_LIB_ENGINE         /* 38 */
#define ERR_R_UI_LIB ERR_LIB_UI                 /* 40 */
#define ERR_R_ECDSA_LIB ERR_LIB_ECDSA           /* 42 */
#define ERR_R_OSSL_STORE_LIB ERR_LIB_OSSL_STORE /* 44 */

#define ERR_R_NESTED_ASN1_ERROR 58
#define ERR_R_MISSING_ASN1_EOS 63

/* fatal error */
#define ERR_R_FATAL 64
#define ERR_R_MALLOC_FAILURE (1 | ERR_R_FATAL)
#define ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED (2 | ERR_R_FATAL)
#define ERR_R_PASSED_NULL_PARAMETER (3 | ERR_R_FATAL)
#define ERR_R_INTERNAL_ERROR (4 | ERR_R_FATAL)
#define ERR_R_DISABLED (5 | ERR_R_FATAL)
#define ERR_R_INIT_FAIL (6 | ERR_R_FATAL)
#define ERR_R_PASSED_INVALID_ARGUMENT (7)
#define ERR_R_OPERATION_FAIL (8 | ERR_R_FATAL)

/*
 * 99 is the maximum possible ERR_R_... code, higher values are reserved for
 * the individual libraries
 */

typedef struct ERR_string_data_st {
    unsigned long error;
    const char *string;
} ERR_STRING_DATA;

DEFINE_LHASH_OF(ERR_STRING_DATA);

void ERR_put_error(int lib, int func, int reason, const char *file, int line);
void ERR_set_error_data(char *data, int flags);

unsigned long ERR_get_error(void);
unsigned long ERR_get_error_line(const char **file, int *line);
unsigned long ERR_get_error_line_data(const char **file, int *line, const char **data, int *flags);
unsigned long ERR_peek_error(void);
unsigned long ERR_peek_error_line(const char **file, int *line);
unsigned long ERR_peek_error_line_data(const char **file, int *line, const char **data, int *flags);
unsigned long ERR_peek_last_error(void);
unsigned long ERR_peek_last_error_line(const char **file, int *line);
unsigned long ERR_peek_last_error_line_data(const char **file,
                                            int *line,
                                            const char **data,
                                            int *flags);
void ERR_clear_error(void);
char *ERR_error_string(unsigned long e, char *buf);
void ERR_error_string_n(unsigned long e, char *buf, size_t len);
const char *ERR_lib_error_string(unsigned long e);
const char *ERR_func_error_string(unsigned long e);
const char *ERR_reason_error_string(unsigned long e);
void ERR_print_errors_cb(int (*cb)(const char *str, size_t len, void *u), void *u);
#ifndef OPENSSL_NO_STDIO
void ERR_print_errors_fp(FILE *fp);
#endif
void ERR_print_errors(BIO *bp);
void ERR_add_error_data(int num, ...);
void ERR_add_error_vdata(int num, va_list args);
int ERR_load_strings(int lib, ERR_STRING_DATA *str);
int ERR_load_strings_const(const ERR_STRING_DATA *str);
int ERR_unload_strings(int lib, ERR_STRING_DATA *str);
int ERR_load_ERR_strings(void);

#if OPENSSL_API_COMPAT < 0x10100000L
#    define ERR_load_crypto_strings() OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
#    define ERR_free_strings() \
        while (0)              \
        continue
#endif

DEPRECATEDIN_1_1_0(void ERR_remove_thread_state(void *))
DEPRECATEDIN_1_0_0(void ERR_remove_state(unsigned long pid))
ERR_STATE *ERR_get_state(void);

int ERR_get_next_error_library(void);

int ERR_set_mark(void);
int ERR_pop_to_mark(void);
int ERR_clear_last_mark(void);

#ifdef __cplusplus
}
#endif

#endif
